>quasi wrote:>> On Fri, 21 Dec 2007 10:57:00 -0800 (PST), simple.popeye@gmail.com>> wrote:>> >>> On Dec 21, 11:37 pm, bill <b92...@yahoo.com> wrote:>>>> On Dec 21, 3:16 am, John <iamach...@gmail.com> wrote:>>>>>>>>> Given a function that returns a random number between 1-5, write one>>>>> that returns a random number between 1-7 for the case when it should>>>>> be integer and for the case it can be real.>>>> Let S be the function that generates a RN between 1 and 5. Then>>>>>>>> T = S_1 + S_2 + ... + S_7>>>>>>>> For the reals , RN_7 = T/7>>> May be this should fix it:>>>>>> For the reals , RN_7 = 1 + (T-7)*3/14>> >> Yes, that fixes the range.>> >> But it's still biased (that is, not a unform distribution).>> >> quasi>>Why do you want to do this guy's homework for him?

The guy whose HW it was is long gone.

In the meantime, several legitimate sci.math posters clearly canbeneifit from the discussion as to whether certain proposed methodsare biased, and if so, why.